FaceTime for Mac makes it easy to talk, smile and laugh with friends and family on their iPhone 4, iPad 2, iPod touch or Mac.
iMessage lets you send messages to anyone on a Mac, or an iPhone, iPad, or iPod touch running iOS 5.
This is a messenger app based on the MTProto protocol.
Tor Messenger--based on Instantbird...
LAN messaging for safe, secure and effective intra-office communication.
